class_docstr: Environment with tuple of discrete spaces at each time step.
code: def _next_observation(self):
      return np.asarray((0.5, 0.5, 0.5), dtype="float16")
  
file_path: nevergrad/nevergrad/functions/gym/tuple_gym_env.py
imports: import gym
  import numpy
  from gym.spaces import Box, Tuple, MultiDiscrete
label_desc: Use image node_id 2 for calling the TupleActionSpace obj's underlying member method code with example usage: obj._next_observation() and returns: np